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Hazard Predictions

• Corrosive: Reaction products may be corrosive
• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)

Solutions of alkali metals in liquid ammonia are powerful reducing agents ("solvated electrons") that slowly decompose to form hydrogen gas and strongly basic amide salts, which precipitate out of solution (Eggeman, T. 2007. Sodium and Sodium Alloys. Kirk-Othmer Encyclopedia of Chemical Technology. (Online); Lange, L. and Triebel, W. 2000. Sodium Amide. Ullmann's Encyclopedia of Industrial Chemistry. (Online); Dickinson, F. 1961. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 2, Supplement 2, p. 72, 76. Longmans, Green and Co Ltd.; Eggeman, T. 2010. Ammonia. Kirk-Othmer Encyclopedia of Chemical Technology. (Online); Appl, M. 2006. Ammonia. Ullmann's Encyclopedia of Industrial Chemistry. (Online); Pascal, P. 1966. Nouveau Trait茅 de Chimie Min茅rale. Vol. 2, Part 1, p. 13. Masson et Cie.).

Triphenylphosphine reacts with alkali metals to form strongly basic metal diphenylphosphide and metal phenyl salts. In the presence of a proton donor, benzene is released (W. Hewertson and H. R. Watson, J. Chem. Soc. 1962, 1490-1494).

When 1,3-butanediamine comes into contact with strong reducing agents, including metal hydrides, nitrides, sulfides, and alkali metals, flammable hydrogen gas may be generated (Pohanish, Richard P.; Greene, Stanley A. (2009). Wiley Guide to Chemical Incompatibilities (3rd Edition). John Wiley & Sons).

Potential Gas Byproducts

• Hydrogen (H2)